| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1794 |
85.3%
|
| 2 | Both | 22 |
1%
|
| 3 | Father only | 242 |
11.5%
|
| 4 | Mother only | 7 |
0.3%
|
| 5 | I don't know | 38 |
1.8%
|
| Sysmiss | 14 |